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++ // Copyright (C) 2026 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ // Augment shader for the blendEnabled test.
++ // Sets the fragment output to white with 50% alpha so that when alpha blending
++ // is enabled with SrcAlpha mode, the result is a blend of white and the clear
++ // colour (blue), producing a light blue/cyan tint.
++ // Without blending, the output is pure white (or near-white).
++
++ void MAIN_FRAGMENT_AUGMENT()
++ {
++ fragOutput = vec4(1.0, 1.0, 1.0, 0.5);
++ }